Jin Air Kobe–Seoul: 5,000 yen off a round trip with code KTOUKB1, until 31 October

Discount (round trip, off the air fare)JPY 5,000offJPY 2,500 one way. Only a logged-in member booking with the promotion code KTOUKB1 qualifies

Airline

Jin Air

Routes

Kobe to Seoul (Incheon) only. The same Seoul route out of Kansai or Narita does not qualify

Sale period

2026-08-17 – 2026-10-31

Travel period

2026-08-18 – 2026-10-31

Deadline

2026-10-31; 15 days are excluded on Japan departures and 12 on Korea departures

Checked on

2026-08-20

Jin Air is handing out a promotion code, KTOUKB1, worth JPY 2,500 one way and JPY 5,000 return off the air fare on Kobe to Seoul (Incheon). It runs to 31 October 2026, for members logged in on the Japanese site or the app.

The September holiday is excluded in both directions, leaving 60 usable days out of 75

The code was issued from 17 August and travel runs from 18 August to 31 October, but the excluded dates are listed in detail. Japan departures are out from 18 to 27 September, on 4 and 5 October, and from 9 to 11 October. Korea departures are out from 19 to 26 September, on 3 October, on 9 October and from 11 to 12 October. The travel window is 75 days long, of which 15 are excluded leaving Japan and 12 leaving Korea — 60 and 63 usable days respectively, which is roughly one day in five gone on the Japan side.

Where those days sit matters more than how many there are. The Japanese blackout of 18 to 27 September and the Korean blackout of 19 to 26 September overlap almost entirely, so building a round trip around the autumn holiday loses both legs at once rather than one. The 9th of October is excluded in both directions too, and the 11th appears on both lists. Whether this code is usable at all comes down to whether you can pull the dates off the holiday and onto weekdays.

What the discount touches is narrow as well. The airline states that it applies to the air fare only, with the fuel surcharge, airport taxes and the aviation insurance surcharge payable separately. On a short international LCC route the tax side is often larger than the fare side, so the real discount against the total paid is smaller than JPY 5,000 makes it sound. There are payment conditions on top: the discount attaches only to a booking made on the Japanese site and paid in Japanese yen, and it cannot be combined with another promotion code, coupon or discount. Infants are excluded. Reading what a quoted fare covers is set out separately.

Get the order right. Log in first, then enter the itinerary, then type KTOUKB1 into the promotion code field and search. Without a member account the field does nothing. The search results show the discounted amount, so what actually came off is visible on that screen rather than at checkout. At the far end, the three-day Seoul itinerary covers the ground costs, and what a night in Seoul costs decides whether the JPY 5,000 survives the trip.

When does the next airfare sale come? Six weeks of records and what is bookable now →

Source: Jin Air official promotion page, “Kobe route special discount promotion” (checked 2026-08-20; the site sits behind a bot check and changes after that date are unverified) / Photo: 4300streetcar, CC BY 4.0 (Wikimedia Commons — Boeing 737-800 HL8013 at Taoyuan) / Checked on 2026-08-20